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By Params_sweden
Hi!
I got my KLF300 running again with your help a couple of months ago, at that time it was the ignition coil that had failed. It has been in use since then without issues until two weeks ago.
When the new issue showed I was going at about 10km/h and it suddenly slowed to a halt. I started it again after that with choke and I drove it 400 meters and parked. Next time it was really hard to start, and since it was low on gas I thought that was the problem. It didn't get any better with a full tank, so I assumed it was the cold weather, and adjusted the pilot slightly.
After that it I actually got it started again with full choke and some slight gas, I drove about 300 meters and then it slowed down to a halt again. After that, it hasn't started again.
The compression is 165psi. The spark has good intensity, the ATV has functioned before with the same spark "intensity"/light. I *assume* that it has gas as well, there is definitely gas on the spark plug when I remove it
I have checked the carburetor slightly, the float works, diaphragm looks ok, but I haven't disassembled it to really look for dust and such in all the small places.
My theory right now is that it might've been some dust in the gas tank that went into the system, it's just a theory
I'm thankful for all the help and pointers I can get, don't hesitate
/ Pär, Sweden
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By alexwv1863
Hey everyone, I have an issue with my dad's 03 Yamaha Kodiak 400. It had been running great but he left it sitting for a short amount of time. When he started it, it ran fine for a little bit but all of a sudden it quit taking gas. I thought it may have been the carb because it him not running it. The carb ended up being pretty clean. He put it back on and after taking it off and cleaning again, I'm beginning to wonder what it could be. It'll start and idle just fine, but when you go to give it throttle, it'll die out. It sounds like it's not getting air right but idk where to look or what else it could be. I'm stumped and need to figure this out before I go crazy. Anyone have any ideas???
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By 97kingquad
Okay so I bought this 1997 sazuki king quad from a guy and he had it for a few years.
He had it registered and on the trails last year but he said it bogged and backfired when he would try to drive it. so it sat for a year.
I bought it for 800 bucks and got it running that night and it ran great for a few days
But I parked it the other night and went to start it again and it was really hard to fire up and when I did it was bogging and idling high then low again.
So I took the carb out and cleaned it (ended up doing it twice because it was still doing the same thing)
Now today I have it running slightly better, but it is still like 20%
I have been looking it up and trying to figure it out but I can't find the issue, has anyone else had this problem? I'll attach a video of it running and giving some throttle
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By dlgg7
I've had this for probably 15 years. It ran great till 4-5 years ago, mainly riding the grandkids around our fields, till it wouldn't start. It sat for a couple of years till I bought a new battery, but couldn't get it to even hit, so rebuilt the carb, put on a new fuel pump, but no go, so it's sat. Several days ago, charged battery, cranked over and it started??? OK, idles good, but won't rev up, so emptied gas tank, flushed out and filled w/good 93 octane, pulled pump line from carb and have good full line of fuel cranking over. New spark plug, good spark, old one black BAD! Oil change, adjusted valves, no difference. Pulled carb and took apart and cleaned, didn't find any clogs or crusted up inside. Now I've had the carb back off probably 6 times checking, double checking anything I can think of. No gas blowing back in air box. It idles good, can increase throttle up some then starts popping and dropping rpms off and if I don't let off the throttle, it'll die. I've read for 3 days now MECHs and RANDY walking several thru tracing the same problem, tried MOST of the direction given. ??? 
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By Hagbard
Have a long story that I'll attempt to make brief. I picked up what was advertised as a 1987 LT230E with no cam or valve cover, harness dangling, no plastics, and all kinds of slop in every bushing and bearing, but hey, it was free and I love a challenge. Local guy had a couple 87 230E motors he was selling on craigslist, picked up one of those and a pisspounded DG RCM and header for $100. Went through the harness to start sorting things out and noticed a few key differences, like the stator connectors didn't mate up, one round and one square. Rubbed some of the grime off and found a VIN, Lo and behold - I have a 1990 LT160E, not a 1987 230E... By the grace of who knows what, the 230 just so happened to mount up directly to the 160 frame with no mods. Wasn't until I had broken the seal on starting to chase down the harness leads that I found out.
As it stood, advertised as a 1987 230E
After a bit of elbow grease and some eBay raiding.
Made a new seat cover and found a set of plastics, New carrier bearings, and brakes all around.
Pulled the steering and front suspension all apart and gave it some love with new bushings and tie rods
Ordered a small fortune in NOS and China parts from eBay and RockyMountain and after a couple weeks of wrenching and soldering I have a nearly complete wheeler, in pretty decent shape. Cleaned up a Mikuni carb I had laying around and mounted it up with a cone filter and a Lowe's Racing™ intake boot, and fed it some gas, primed the carb and tugged on the started rope a few times, and sure enough it belkched out some soot and fired up, ran for a couple seconds and died. No sputter, just shut off. Checked for fuel startvation, vacuum in the tank, no problems there, plenty of gas in the carb. Suspected clogged air jets, so I pulled it out of the boot and gave it a shot of ether, and it did the same thing, fired up, ran strong for 2-3 seconds and shut off. Then suspected I f*%#ed up the wiring harness somewhere, and re-traced all the leads with my newly colored wiring diagram, thanks to my kiddo's Crayola marker collection, and everything looked good. Started to suspect the CDI, solenoid, or coil might be faulty and was flipping thru the manual when a buddy stopped by with a pair of boat seats for me to reupholster for him.
He's a little bit of a savant with engines and electronics, and he got curious when I told him my predicament. Three minutes later he said "Hand me a pair of needlenose?" which he used to short the neutral switch to ground, and had me give it another tug. Fired up and ran great, no shutting off, so we deduced that the neutral switch must be at fault and after he left, I pulled it off to troubleshoot, and decided to flick the shifter a couple times with it off to see the little nubbin go around in a cricle. It didn't. I should mention at this point that I had previously changed the oil and while doing so, I took the opportunity to adjust the clutch without consulting the manual because I'm the dumbest guy I know. I did it according to the procedure I had learned for the LT185 I have, and figured the adjuster itself looked the same, they must be the same thing. I loosened the 10mm lock nut, and started turning the adjsuter screw clockwise waiting to encounter resistance, and then back it off 1/8 turn. I was really surprised when it kept turning and turning, but figured it must have been WAY out of adjustment, and went on with business. Figured I might need clutch plates at some point.
Encountered this problem, and actually read the manual and the procedure is entirely different, and I realized that I had basically "adjusted" it into oblivion. I have since drained the oil and tried to re-adjust it twice, with no luck. Anyone have any idea what I can or should do to correct the issue, or am I missing something else entirely here? (chain is off and sprocket nut is loose, if that makes any difference.) Any insight or advice would be appreciated, thanks.
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